\begin{tabular}{l*{6}{c}}
                    &\multicolumn{4}{c}{}                               \\
                    &        Mean&          SD&Lower 95\% CI&Upper 95\% CI\\
\hline
Female screener     &        0.83&        0.05&        0.73&        0.94\\
White screener      &        0.57&        0.07&        0.44&        0.71\\
Black screener      &        0.22&        0.06&        0.11&        0.34\\
Prior Recruiting Experience&        1.00&        0.00&        1.00&        1.00\\
Hourly rate         &       37.48&        2.79&       31.88&       43.07\\
Hours on task       &        1.70&        0.08&        1.55&        1.86\\
\hline
Observations        &          54&            &            &            \\
\end{tabular}
